<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <!-- 键和值相同 -->
    <script>
        var name = "zhang";
        var age = 19;
        var obj ={
            name,
            age
        }
        console.log(obj)
    </script>

</body>
</html>